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Cascadia Earthquake Will Likely Trigger San Andreas Fault
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Original Message
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Scientists Eye Possible Link Between Cascadia Zone, San Andreas Fault
April 1, 2008 - ACORVALLIS, Ore. – A new comparison of earthquakes that have taken place along the West Coast during the past 10,000 years suggests that seismic activity in the Cascadia Subduction Zone off Oregon and Washington may actually have triggered earthquake events in the San Andreas Fault in the San Francisco Bay area.
The analysis also concludes that major earthquakes occur much more frequently in the southern part of Cascadia – in a range of 270 to 525 years depending on location – rather than every 500-600 years as is known for northern Cascadia.
“It’s either an amazing coincidence,” Goldfinger said, “or one fault triggered the other. It looks like when Cascadia is hit by a major earthquake, another will occur in the San Andreas region – on average, within several decades, but possibly less.
“They could be separated by decades or years,” he added, “but it is possible that it could be days or hours.”
[link to www.fernleynews.com]
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